Não informado. (1969). Organic Preparations and Procedures International. Organic Preparations and Procedures.
Chicago-Zitierstil (17. Ausg.)Não informado. Organic Preparations and Procedures International. Newton, Mass: Organic Preparations and Procedures, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. Organic Preparations and Procedures International. Organic Preparations and Procedures, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.